Units and Measurements

Which of the following is a basic unit?

• area

• volume

• distance

• density

Which of the following is a derived?

• temperature

• moles

• velocity

• current

What SI unit is used to measure electric current?

• seconds
• amperes
• Kelvin
• mole

SI stands for ___.

• Sports Illustrated

• Scientific Notation

• International System (of measurements)

• Instructional System (of measurements)

Which of the following pairs of physical quantity and SI unit is correct ?

• Mass - SI unit : Gram
• Time - SI unit : Hour
• Electric current - SI unit : Volt
• Temperature - SI unit : Kelvin

What is base quantities ?

• the branch of science concerned with the nature and properties of matter and energy
• the branch of science that deals with the identification of the substances of which matter is composed
• physical quantities that cannot be defined in terms of other physical quantities

What is derived quantities ?

• a tendency to do nothing or to remain unchanged.
• combination of two or more base quantities
• the quantity of motion of a moving body, measured as a product of its mass and velocity.

Tags

NGSS.MS-PS3-1

What is the derived unit for energy?

• Watts

• Kilojoules

• joules

• kilograms per cubic meter

What are fundamental units?

• Fundamental units are the units that not dependent upon any other units.

• Fundamental units are the units derived from the basic units.

• Fundamental units are the units adopted by the SI

• Fundamental units are the units that we use every day for physic calculations

Which ones are fundamental units?

• Length

• Force

• Luminous Intensity

• Volume

• Electric Current

Tags

NGSS.MS-PS2-2